diff --git a/core/modules/filter/filter.module b/core/modules/filter/filter.module
index abddf38..9d52b73 100644
--- a/core/modules/filter/filter.module
+++ b/core/modules/filter/filter.module
@@ -1236,7 +1236,8 @@ function _filter_html($text, $filter) {
   // through the filter.
   $break_tag_replacement = FALSE;
   if (strpos($text, '<!--break-->')) {
-    $break_tag_replacement = md5('<!--break-->');
+    // Substitute the md5 of '<!--break-->', assumed to be unique.
+    $break_tag_replacement = '3cc49a62f96c90ccb4b9639df3bda4d4';
     $text = str_replace('<!--break-->', $break_tag_replacement, $text);
   }